Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Thomas A. Marsh, LISW

Individual provider Clinical Social Worker · NPI 1578990602

Thomas A. Marsh, LISW is a Clinical Social Worker in Portsmouth, Ohio. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
In the registry since
2013
What do these letters mean?
LISW — Licensed Independent Social Worker
A social worker licensed to practise independently.

See every abbreviation used in this directory →

Practice location Address checks out

411 Court St
Portsmouth, OH 45662-3932
Phone: (740) 354-3829
Fax: (740) 353-2845
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence I.1303128 (OH)

Record details

NPI number1578990602
Entity typeIndividual (Type 1)
GenderMale
Credentials LISW
Sole proprietorYes
NPI enumeratedOctober 3, 2013
Last updated in NPPESOctober 3, 2013

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